The 10-day span for Oregon runs from a high near 79° on Tuesday down to 56° overnight on Thursday. Roughly 1.2 in of rain falls over the period, with Wednesday the most likely wet day (85%). Hold onto the patio furniture Thursday: gusts could hit 30 mph. No watches or warnings are active for the area right now. Right now Oregon is about 12° cooler than nearby Milwaukee. Longer view: variable mid-latitude weather in every season.
Oregon, IL · Elev 709 ft · 42.01°N, 89.33°W · Illinois · Forecast computed for these exact coordinates